package com.atguigu.gmall.jvm;

/**
 * @author 陈昆昆
 * @version 1.0
 * @date 2020/6/6 21:58
 */
public class StringTest {
    public static void main(String[] args) {
        StringBuffer stringBuffer = new StringBuffer();
        stringBuffer.append(1);
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append(1);
    }

}
